The climate in Haikou during April can be summarized as mild and very wet.
April is in the spring in Haikou and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 13°C (55°F) is normal.
Daytime temperature | 21.7°C 71°F |
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Nightly temperature | 13°C 55.3°F |
Average temperature | 17.3°C 63.1°F |
Daily sunshine | 4.6 hrs |
Avg rainfall | 239 mm 9.4 ins |
Rainy days | 18 days |
Sea temperature | 19.5°C 67.1°F |
Humidity | 80% |
Windspeed | 10.1kph 6 mph |
On average April is the 3rd wettest month of the year in Haikou with around 239mm 9.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.6 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Haikou in April 2025.
Hottest month: | July | 33°C 91.4°F |
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Driest month: | December | 49mm 1.9ins |
Sunniest month: | August | 8.9hrs |
Coldest month: | January | 9.6°C 49.3°F |
Wettest month: | June | 300mm 11.8ins |